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Maximum storage for ACS logging vs ISE

Dear all,


My customer is migrating from ACS to ISE.


Their existing ACS HW SNS-3515 only support a max. of 750GB HD which is not enough for them.


If they migrate to ISE, how to compare the ACS logging vs ISE device admin logging?


For each TACACS+ event, is it around the same logging size taken? what is the max logging size for TACACS+ events?


Thanks, Tommy

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Advocate

This is the ISE support community, so I will answer the questions specific to ISE.

SNS-3515 has 600GB drive space (not 750GB), of which 60% is allocated to RADIUS and T+ logging in ISE 2.2+ with an additional 20% overhead for purging.  Effective storage and guidance on days retention are included in ISE Install Guide.

For additional info, see

ISE Device Administration (TACACS+)

ACS to ISE Migration

Also see Reference version of presentation for BRKSEC-3699 from this year on ciscolive.com.  It contains information on general packet sizes and counts for different T+ operations.

Craig

View solution in original post

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Advocate

This is the ISE support community, so I will answer the questions specific to ISE.

SNS-3515 has 600GB drive space (not 750GB), of which 60% is allocated to RADIUS and T+ logging in ISE 2.2+ with an additional 20% overhead for purging.  Effective storage and guidance on days retention are included in ISE Install Guide.

For additional info, see

ISE Device Administration (TACACS+)

ACS to ISE Migration

Also see Reference version of presentation for BRKSEC-3699 from this year on ciscolive.com.  It contains information on general packet sizes and counts for different T+ operations.

Craig

View solution in original post

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